78=2+(2x-5)

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Solution for 78=2+(2x-5) equation:


Simplifying
78 = 2 + (2x + -5)

Reorder the terms:
78 = 2 + (-5 + 2x)

Remove parenthesis around (-5 + 2x)
78 = 2 + -5 + 2x

Combine like terms: 2 + -5 = -3
78 = -3 + 2x

Solving
78 = -3 + 2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2x' to each side of the equation.
78 + -2x = -3 + 2x + -2x

Combine like terms: 2x + -2x = 0
78 + -2x = -3 + 0
78 + -2x = -3

Add '-78' to each side of the equation.
78 + -78 + -2x = -3 + -78

Combine like terms: 78 + -78 = 0
0 + -2x = -3 + -78
-2x = -3 + -78

Combine like terms: -3 + -78 = -81
-2x = -81

Divide each side by '-2'.
x = 40.5

Simplifying
x = 40.5

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